Bird density and marine mammal counts based on 7700 meter bins in southern California, 1999-2002
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下载链接：
https://catalog.data.gov/dataset/bird-density-and-marine-mammal-counts-based-on-7700-meter-bins-in-southern-california-1999-770f2
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资源简介：
Tracklines and associated observations were mapped and analyzed using ArcMap (ESRI, Redlands, CA). GPS data were recorded in NAD27 map datum and projected to an USGS...
提供机构：
Department of the Interior
